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1999 Mercury Sable white smoke hestitation

Tiny
COSMOS12
  • MEMBER
  • 1999 MERCURY SABLE
  • 3.0L
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 115,785 MILES
I have been pulling two lean codes from my sable. Replaced the MAF O2 sensor and fuel pump. Since the car has been hesitant and yesterday white smoke blew from the rear. It is misfiring and overheating after driving for about 10 minutes. After it is hot it takes a while for it to start which has been the problem since the onstart.
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Tuesday, November 3rd, 2015 AT 11:38 AM

9 Replies

Tiny
WRENCHTECH
  • MECHANIC
  • 20,757 POSTS
Sounds like the lean codes are the least of your problems right now. You may have a blown head gasket.
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Tuesday, November 3rd, 2015 AT 12:13 PM
Tiny
COSMOS12
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  • 6 POSTS
Thats what I was thinking any quick fixes to get me through a month
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Tuesday, November 3rd, 2015 AT 12:19 PM
Tiny
WRENCHTECH
  • MECHANIC
  • 20,757 POSTS
New car.
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Tuesday, November 3rd, 2015 AT 12:36 PM
Tiny
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  • MEMBER
  • 6 POSTS
Why would the coolant not be going away into the engine and instead coming through the cap.
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+1
Tuesday, November 3rd, 2015 AT 12:43 PM
Tiny
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  • MEMBER
  • 6 POSTS
Also the oil looks fine as well
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Tuesday, November 3rd, 2015 AT 12:44 PM
Tiny
WRENCHTECH
  • MECHANIC
  • 20,757 POSTS
Because it's pumping hot combustion gases into the cooling system.
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Tuesday, November 3rd, 2015 AT 1:17 PM
Tiny
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  • 6 POSTS
Gotcha thanks
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Tuesday, November 3rd, 2015 AT 1:19 PM
Tiny
WRENCHTECH
  • MECHANIC
  • 20,757 POSTS
You have a break between a coolant port and the cylinder. The white smoke is burning coolant. The misfire is coolant fouling the plug and the bubbling is compression in the cooling system.
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Tuesday, November 3rd, 2015 AT 1:22 PM
Tiny
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  • 6 POSTS
How does that liquid gasket sealer work?
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Tuesday, November 3rd, 2015 AT 1:58 PM

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